Osa Weather (Next 3 days): The snow forecast for Osa is: Light rain (total 6.0mm), mostly falling on Tue morning. Freeze-thaw conditions (max 9°C on Thu afternoon, min -1°C on Wed night). Winds decreasing (fresh winds from the N on Tue afternoon, calm by Thu afternoon).
Osa Weather (Days 4-6): Mild with moderate rain (total 13.0mm) on Fri afternoon, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Fri morning, min -4°C on Sat night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NNW by Sun morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 5 |  | ||||
| Bottom Lift: | 6 | |
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | |  | | | | | |  |  | |
light rain | light rain | light snow | light snow | light snow | snow shwrs | clear | clear | some clouds | light rain | mod. rain | light snow | light snow | light snow | snow shwrs | clear | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 4 | 2 | 2 | 1 | — | — | — | |
3 | 2 | 1 | — | — | — | — | — | — | 4 | 9 | — | — | — | — | — | — | — | |
max °C | 6 | 4 | 2 | 2 | 2 | 1 | 8 | 9 | 4 | 7 | 7 | 2 | 1 | 1 | 0 | 5 | 5 | 0 |
min °C | 6 | 3 | 1 | 1 | 1 | -1 | 4 | 5 | 4 | 6 | 4 | -1 | 0 | 0 | -4 | 2 | 2 | -1 |
4 | -3 | -4 | -4 | -4 | -5 | 2 | 5 | 2 | 1 | -1 | -8 | -6 | -5 | -9 | 0 | -1 | -4 | |
99 | 97 | 95 | 94 | 90 | 84 | 46 | 45 | 58 | 80 | 92 | 92 | 94 | 96 | 90 | 48 | 54 | 55 | |
2800 | 1400 | 950 | 850 | 850 | 750 | 1800 | 2050 | 2250 | 2200 | 1650 | 700 | 700 | 800 | 350 | 1100 | 1250 | 1200 | |
 | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — |
 | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — |
Light rain (total 6.0mm), mostly falling on Tue morning. Freeze-thaw conditions (max 9°C on Thu afternoon, min -1°C on Wed night). Winds decreasing (fresh winds from the N on Tue afternoon, calm by Thu afternoon).
Mild with moderate rain (total 13.0mm) on Fri afternoon, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Fri morning, min -4°C on Sat night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NNW by Sun morning).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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